Light device for bicycle



FIG. 1 is a front and upper perspective view of a light device for bicycle showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a rear and bottom perspective view thereof. 

The ornamental design for a light device for bicycle, as shown and described. 